From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EF7CC48BE8 for ; Tue, 15 Jun 2021 11:20:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2670761432 for ; Tue, 15 Jun 2021 11:20:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2670761432 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id BB23C8D0001; Tue, 15 Jun 2021 07:20:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B13836B0070; Tue, 15 Jun 2021 07:20:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 967518D0001; Tue, 15 Jun 2021 07:20:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0117.hostedemail.com [216.40.44.117]) by kanga.kvack.org (Postfix) with ESMTP id 57A2C6B006E for ; Tue, 15 Jun 2021 07:20:03 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id E69D7180AD806 for ; Tue, 15 Jun 2021 11:20:02 +0000 (UTC) X-FDA: 78255713844.11.9BD6789 Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) by imf24.hostedemail.com (Postfix) with ESMTP id 61E1DA00024C for ; Tue, 15 Jun 2021 11:19:53 +0000 (UTC) Received: by mail-ej1-f45.google.com with SMTP id gt18so3457209ejc.11 for ; Tue, 15 Jun 2021 04:20:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:from:date:message-id:subject:to:cc; bh=BEeCJM2cPKJxTO4MU9AOQWvAy0+MkYh0MYy81JYGv9Y=; b=qvu/cXi8LAEVvTXCOgV6EdujzUvor9gxWDJoh8e5/wgsdBPRFBJ9L2EK4uKNtfR3ty mVHuBDENDndaLxF2UZ8qTSVE1s+oOADiGbptv31TDjJiWDQ/Cn+TGkj53Afn1OA9neQn MNEm1P9hheTcmMkl/ybxp8hL0LG3TbehBOk2fCBL10FzmFYhkQxp/k/F3CEwaXjIRBpT NtR2B+HyMmjThVRgE+FNQM0rYt4esAmRHBwSekUacelfTowzOOtv45Z+FFjwtv2nrhCg awG7WAKI/rCCH4Zud+Qwe+JNVbOGolpSAz86lci7fAcnEdzylVI8H0jqUV3KDysasJQA LVMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=BEeCJM2cPKJxTO4MU9AOQWvAy0+MkYh0MYy81JYGv9Y=; b=E86OWarlcuA2UxnqssG0312LutZJkIbwRKFCl2EiEcnAK+g/RwroELwR7zgRn8iiUs RPs71tOf7Wu8TG4ytmbtICltbYSAM7r4v7ObcGctsOQ4Ct0pfYUj+ZKeJwLhnhkwxJC5 4c9mR8FKflEKEJK6ckIOSHNbGeCzDAnKHMP0ZymGm/T9rbsFbYAwBj0T9rsVO1VJyixI NluWEDkGe5MubEUFswS9nG/YzzZYFzKBwHlfDVdxV05EDM3m1fD5reqMbqw10KLvUsJ1 sW/sI8Z3uNq6Q9R3m0bQSTc1n3O6iNUv4IlSVuZ95yYzRZKPY2fP6ObWjvrIOF9CyT12 CPyg== X-Gm-Message-State: AOAM531db1fnG24KZg+cuEAXAqKKDaOheee2StFxy6i5N9qVUs26CXz8 6D8YQZ3iGAlxYqVxSIidMyjHeGsP8txzfPJK0sgj6g== X-Google-Smtp-Source: ABdhPJzT57iI3YtjjS5AfKOAwwRgoVfgmuebs6puFU4WEFVvmHewgzsj8wKFUxJnNKvCZFnkwFAKaz6nqTh+C7t9qRs= X-Received: by 2002:a17:906:480a:: with SMTP id w10mr3748711ejq.18.1623756001316; Tue, 15 Jun 2021 04:20:01 -0700 (PDT) MIME-Version: 1.0 From: Naresh Kamboju Date: Tue, 15 Jun 2021 16:49:50 +0530 Message-ID: Subject: [next] [arm64] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000068 To: Linux-Next Mailing List , linux-mm , Linux ARM , open list , Will Deacon , lkft-triage@lists.linaro.org, regressions@lists.linux.dev Cc: Andrew Morton , Stephen Rothwell , Arnd Bergmann , Ard Biesheuvel , Catalin Marinas , Mike Rapoport , Christophe Leroy Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 61E1DA00024C Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b="qvu/cXi8"; spf=pass (imf24.hostedemail.com: domain of naresh.kamboju@linaro.org designates 209.85.218.45 as permitted sender) smtp.mailfrom=naresh.kamboju@linaro.org; dmarc=pass (policy=none) header.from=linaro.org X-Stat-Signature: cgn4px311tp34kbj3jfafcz6dmgzfmnw X-HE-Tag: 1623755993-857432 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Following kernel crash reported while booting linux next 20210615 tag on qemu_arm64. Crash log: ------------- [ 0.767379] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000068 [ 0.769815] Mem abort info: [ 0.770735] ESR = 0x96000004 [ 0.771598] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.773008] SET = 0, FnV = 0 [ 0.773865] EA = 0, S1PTW = 0 [ 0.774844] FSC = 0x04: level 0 translation fault [ 0.776195] Data abort info: [ 0.776968] ISV = 0, ISS = 0x00000004 [ 0.778010] CM = 0, WnR = 0 [ 0.778961] [0000000000000068] user address but active_mm is swapper [ 0.780643] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 0.782189] Modules linked in: [ 0.783098] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.13.0-rc6-next-20210615 #1 [ 0.785239] Hardware name: linux,dummy-virt (DT) [ 0.786626] pstate: 00000005 (nzcv daif -PAN -UAO -TCO BTYPE=--) [ 0.788352] pc : blk_finish_plug+0x88/0x270 [ 0.789598] lr : blk_queue_write_cache+0x34/0x80 [ 0.790997] sp : ffff800012aeb9d0 [ 0.791981] x29: ffff800012aeb9d0 x28: ffff0000c088eeb0 x27: ffff800011a27110 [ 0.794067] x26: ffff0000c18511a0 x25: ffff8000114ecaa8 x24: 0000000005a00000 [ 0.796127] x23: ffff8000114ed3c8 x22: 0000000000000000 x21: ffff0000c088fa00 [ 0.798208] x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000000001 [ 0.800239] x17: 7265727574636166 x16: 756e614d202e6b6e x15: ffff0000c0290488 [ 0.802308] x14: ffffffffffffffff x13: ffff0000c088fa2c x12: ffff0000c088fa14 [ 0.804341] x11: 0000000000000026 x10: 0000000000000401 x9 : ffff80001058247c [ 0.806408] x8 : ffff0000c088fa2c x7 : 0000000000000008 x6 : 0000000000000001 [ 0.808429] x5 : ffff80001258a000 x4 : ffff80001258a260 x3 : 0000000000000068 [ 0.810492] x2 : 0000000000000001 x1 : 0000000000000068 x0 : 0000000000020000 [ 0.813153] Call trace: [ 0.813878] blk_finish_plug+0x88/0x270 [ 0.815064] add_mtd_blktrans_dev+0x258/0x3f0 [ 0.816316] mtdblock_add_mtd+0x6c/0xb8 [ 0.817428] blktrans_notify_add+0x50/0x78 [ 0.818666] add_mtd_device+0x304/0x4d8 [ 0.819790] mtd_device_parse_register+0x1d8/0x2f0 [ 0.821150] physmap_flash_probe+0x4c8/0x7a8 [ 0.822431] platform_probe+0x70/0xe0 [ 0.823494] really_probe+0xf0/0x4d0 [ 0.824539] driver_probe_device+0x108/0x178 [ 0.825760] device_driver_attach+0x7c/0x88 [ 0.827039] __driver_attach+0xb8/0x190 [ 0.828142] bus_for_each_dev+0x78/0xd0 [ 0.829254] driver_attach+0x2c/0x38 [ 0.830381] bus_add_driver+0x14c/0x230 [ 0.831502] driver_register+0x6c/0x128 [ 0.832604] __platform_driver_register+0x30/0x40 [ 0.833952] physmap_init+0x24/0x30 [ 0.835011] do_one_initcall+0x50/0x2c8 [ 0.836116] kernel_init_freeable+0x25c/0x2e4 [ 0.837366] kernel_init+0x2c/0x138 [ 0.838403] ret_from_fork+0x10/0x18 [ 0.839453] Code: c8037c22 35ffffa3 17fff238 f9800031 (c85f7c22) [ 0.841176] ---[ end trace 66ee8a40712bfd28 ]--- [ 0.842563] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 0.844577] SMP: stopping secondary CPUs [ 0.845707] Kernel Offset: disabled [ 0.846731] CPU features: 0x10000071,00000846 [ 0.847969] Memory Limit: none [ 0.848853] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]--- Reported-by: Naresh Kamboju ref: https://lkft.validation.linaro.org/scheduler/job/2901452#L556 metadata: git branch: master git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git describe: next-20210615 kernel-config: https://builds.tuxbuild.com/1tyksDCCPiTvc0x6psxC3JvSWqJ/config build link: https://builds.tuxbuild.com/1tyksDCCPiTvc0x6psxC3JvSWqJ/ Steps to reproduce: -------------------------- # TuxMake is a command line tool and Python library that provides # portable and repeatable Linux kernel builds across a variety of # architectures, toolchains, kernel configurations, and make targets. # # TuxMake supports the concept of runtimes. # See https://docs.tuxmake.org/runtimes/, for that to work it requires # that you install podman or docker on your system. # # To install tuxmake on your system globally: # sudo pip3 install -U tuxmake # # See https://docs.tuxmake.org/ for complete documentation. tuxmake --runtime podman --target-arch arm64 --toolchain gcc-9 --kconfig defconfig --kconfig-add https://builds.tuxbuild.com/1tyksDCCPiTvc0x6psxC3JvSWqJ/config -- Linaro LKFT https://lkft.linaro.org